Index: /trunk/include/VBox/log.h
===================================================================
--- /trunk/include/VBox/log.h	(revision 50530)
+++ /trunk/include/VBox/log.h	(revision 50531)
@@ -720,4 +720,6 @@
     /** VHD virtual disk backend. */
     LOG_GROUP_VD_VHD,
+    /** VHDX virtual disk backend. */
+    LOG_GROUP_VD_VHDX,
     /** VMDK virtual disk backend. */
     LOG_GROUP_VD_VMDK,
@@ -1085,4 +1087,5 @@
     "VD_VDI",       \
     "VD_VHD",       \
+    "VD_VHDX",      \
     "VD_VMDK",      \
     "VM",           \
Index: /trunk/src/VBox/Storage/VHDX.cpp
===================================================================
--- /trunk/src/VBox/Storage/VHDX.cpp	(revision 50530)
+++ /trunk/src/VBox/Storage/VHDX.cpp	(revision 50531)
@@ -19,5 +19,5 @@
 *   Header Files                                                               *
 *******************************************************************************/
-#define LOG_GROUP LOG_GROUP_DEFAULT /** @todo: Log group */
+#define LOG_GROUP LOG_GROUP_VD_VHDX
 #include <VBox/vd-plugin.h>
 #include <VBox/err.h>